Push-button switch



FIG. 1 is a front, right side and top perspective view of a push-button switch showing my new design;

FIG. 2 is a rear, left side and top perspective view thereof;

FIG. 3 is a front view thereof, the rear view being a mirror image thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing in the figure drawings is included for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a push-button switch, as shown and described. 